Hyundai Tucson: Hands Free System / Hands Free Switch Repair procedures

Inspection
1.
Check the handsfree remote control switch for resistance between No.4 and No.5 terminals in each switch position.
[Call + Hang Up]

[Voice]

[Call + Hang Up]
Switch
Connector terminal
Resistance (±5%)
Output voltage (±0.16V)
Call
4-5 (Left)
40.91 kx
2.96V
Hang up
4-5 (Left)
18.91 kx
2.64V

[Voice]
Switch
Connector terminal
Resistance (±5%)
Output voltage (±0.22V)
Voice
4-5 (Right)
10.71 kx
2.29V

Removal
1.
Remove the driver airbag module.
(Refer to the RT group - "Airbag module")
2.
Remove the steering wheel.
(Refer to the ST group - "Steering column and shaft")
3.
Remove the steering wheel rear cover (A) after loosening the screws.

4.
Remove the handsfree remote switch (A) after loosening the screws.

Installation
1.
Install the handsfree remote switch to the steering wheel bezel.
2.
Install the steering wheel and bezel.
3.
Reconnect the handsfree remote control switch connector and airbag connectors.
   
Make sure that the switch connector is plugged in properly.
4.
Install the driver airbag module.
Hands Free Switch Components and Components Location
Component Location ...

Hands Free Mic Repair procedures
Inspection 1. Disconnect the negative(-) battery terminal. 2. Remove the roof trim. (Refer to the BD group - "Roof trim") 3. Remove the hands free mic (A) after loosening the connector an ...

Other information:

Hyundai Tucson (LM) 2010-2015 Owners Manual: Active ECO system
Active ECO operation Active ECO helps improve fuel efficiency by controlling the engine and transaxle. Fuel-efficiency is determined by the driver's driving habits and road conditions. When the Active ECO button is pressed the ECO indicator (green) will illuminate to show that the Active ...

Hyundai Tucson (LM) 2010-2015 Service Manual: Power Window Switch Repair procedures
Inspection Main Power Window Switch Inspection 1. Disconnect the negative (-) battery terminal. 2. Remove the front door trim and power window switch. (Refer to the BD group - "Front door") 3. Check for continuity between the terminals in each switch position according to the table. ...

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